def test_parameter_c():
p = ParameterRef_C("hsh")
assert "hsh" == p
assert p == "hsh"
assert not keyword.iskeyword(p)
assert hash(p) == hash("hsh")
assert repr(p) == "P.hsh"
assert p == P.hsh
assert p == P("hsh")
assert p == P['hsh']
def test_data_c():
d = DataRef_C("hsh")
assert "hsh" == d
assert d == "hsh"
assert not keyword.iskeyword(d)
assert hash(d) == hash("hsh")
assert repr(d) == "X.hsh"
assert d == X.hsh
assert d == X("hsh")
assert d == X['hsh']
p = ParameterRef_C("hsh")
assert not p == d
assert p != d